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BITS_PER_LONG does not exist in UAPI headers, so can't be used by the UAPI __GENMASK(). Instead __BITS_PER_LONG needs to be used. When __GENMASK() was introduced in commit3c7a8e190b("uapi: introduce uapi-friendly macros for GENMASK"), the code was fine. A broken revert in1e7933a575("uapi: Revert "bitops: avoid integer overflow in GENMASK(_ULL)"") introduced the incorrect usage of BITS_PER_LONG. That was fixed in commit11fcf36850("uapi: bitops: use UAPI-safe variant of BITS_PER_LONG again"). But a broken sync of the kernel headers with the tools/ headers in commitfc92099902("tools headers: Synchronize linux/bits.h with the kernel sources") undid the fix. Reapply the fix and while at it also fix the tools header. Fixes:fc92099902("tools headers: Synchronize linux/bits.h with the kernel sources") Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de> Acked-by: Yury Norov (NVIDIA) <yury.norov@gmail.com> Signed-off-by: Yury Norov (NVIDIA) <yury.norov@gmail.com>